#588
Dijkstra
Se dă un graf orientat ponderat – în care fiecare arc are asociat un cost, număr natural strict pozitiv, și un nod p
. Să se determine, folosind algoritmul lui Dijkstra, costul minim al drumului de la p
la fiecare nod al grafului.
Problema | Dijkstra | Operații I/O |
![]() dijkstra.in /dijkstra.out
|
---|---|---|---|
Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
Id soluție | #57527842 | Utilizator | |
Fișier | dijkstra.cpp | Dimensiune | 771 B |
Data încărcării | 03 Aprilie 2025, 12:40 | Scor / rezultat | Eroare de compilare |
dijkstra.cpp:6:1: error: expected ',' or ';' before 'ofstream' ofstream fout("dijkstra.out") ^ dijkstra.cpp: In function 'void citire()': dijkstra.cpp:13:10: error: 'n' was not declared in this scope fin>>n>>s; ^ dijkstra.cpp:13:13: error: 's' was not declared in this scope fin>>n>>s; ^ dijkstra.cpp:16:14: error: 'a' was not declared in this scope if(i!=j) a[i][j]=inf; ^ dijkstra.cpp:17:10: error: 'a' was not declared in this scope else a[i][j]=0; ^ dijkstra.cpp:19:5: error: 'a' was not declared in this scope a[i][j]= cost; ^ dijkstra.cpp: In function 'void Dijkstra(int)': dijkstra.cpp:25:17: error: 'n' was not declared in this scope for (i=1;i<=n;i++) ^ dijkstra.cpp:27:9: error: 'd' was not declared in this scope d[i]=inf; ^ dijkstra.cpp:28:9: error: 'viz' was not declared in this scope viz[i]=0; ^ dijkstra.cpp:30:5: error: 'd' was not declared in this scope d[s]=0; ^ dijkstra.cpp:31:23: error: 'n' was not declared in this scope for(pas = 1; pas<=n;pas++) ^ dijkstra.cpp:36:13: error: 'viz' was not declared in this scope if(!viz[i]&&d[i]<minim) ^ dijkstra.cpp: In function 'int main()': dijkstra.cpp:46:14: error: 's' was not declared in this scope Dijkstra(s); ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Dijkstra face parte din prima categorie. Soluția propusă de tine va fi evaluată astfel:
Suma punctajelor acordate pe testele utilizate pentru verificare este 100. Astfel, soluția ta poate obține cel mult 100 de puncte, caz în care se poate considera corectă.